package ooday01;

public class Student {
    String name;
    int age;
    String className;
    String stuId;

    Student() {

    }
    Student(String name,int age){
        this.name=name;
        this.age=age;
    }

    Student(String name, int age, String className, String stuId) {
        this.name = name;
        this.age = age;
        this.className = className;
        this.stuId = stuId;


        }
    void study(){
        System.out.println("我的名字是"+name+"，我今年"+age);
    }
    void sayHi(){
        System.out.println("我的名字是"+name+"，我今年"+age+"，我的班级是"+className+"，我的学号是"+stuId);
    }
    }

